of thekeep our concerns most elect ensure we do not anate an impediment to investigation while the update this and take into account the new digital age. >> is this a conversation that you and other fbi agents have regularly about e-mail? not from the philosophical perspective. we are more focused on the practical aspects. the practical aspects are if you are seeking content and the instructions are to obtain a wa rrant, that is where the effort goes in furthering the investigation. we carry out the instructions of the government and the policies. that is what we follow. >> one follow question from our reporter. >> one question on the digital 4th. there is a distinction between what civil agencies should be able to obtain and the criminal investigation. if it is an antitrust investigation or civil rights investigation, they may not even authority in investigating a crime. should they be able to search e- mails with a subpoena? those agencies with subpoena power to continue using that subpoena power. they do not have the authority, as you say, to produce warrants. -- when it are given come